212243414336 has 28 divisors (see below), whose sum is σ = 426939993972. Its totient is φ = 104667982848.

The previous prime is 212243414309. The next prime is 212243414347. The reversal of 212243414336 is 633414342212.

It can be written as a sum of positive squares in 2 ways, for example, as 165206479936 + 47036934400 = 406456^2 + 216880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212243414296 and 212243414305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22709735 + ... + 22719078.

Almost surely, 2^212243414336 is an apocalyptic number.

It is an amenable number.

212243414336 is an abundant number, since it is smaller than the sum of its proper divisors (214696579636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212243414336 is an equidigital number, since it uses as much as digits as its factorization.

212243414336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45428898 (or 45428888 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

Adding to 212243414336 its reverse (633414342212), we get a palindrome (845657756548).

The spelling of 212243414336 in words is "two hundred twelve billion, two hundred forty-three million, four hundred fourteen thousand, three hundred thirty-six".